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MCCB 4P 125A 70kA Thermal Magnetic 250A Frame NM8N Chint

BRAND: CABAC
SKU: 271207
$1,522.00 List price: $2,029.30
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30 Days Return Electricians Unlock Trade Access
Chint NM8N 125A 4P MCCB features 70kA breaking capacity, thermal-magnetic trip unit with protected neutral and a 250A frame. Ideal for switchboard mains protection.

Alternatively Known As: NM8N-250Q TM 125 4B MCCB, 125A 4P moulded-case circuit breaker, 70kA MCCB

Technical Specifications
  • Rated Current: 125 A
  • Frame Size: 250 A
  • Number of Poles: 4P with protected neutral
  • Trip Unit: Thermal-magnetic, TM
  • Breaking Capacity: 70 kA at 380/400/415 V AC
  • Rated Operational Voltage: 380/400/415 V AC, 50/60 Hz
  • Rated Insulation Voltage Ui: 1,000 V
  • Rated Impulse Withstand Voltage Uimp: 8 kV
  • Utilisation Category: A
  • Isolation: Suitable for isolation
  • Connection: Fixed mounting with front or rear line/load connection options
  • Terminal Tightening Torque: 11 Nm for M8 terminals
  • Mechanical Life: Up to 25,000 operations
  • Electrical Life: Up to 10,000 operations at 415 V AC and rated current
  • Dimensions (H x L x W): 157mm x 88.7mm x 140mm
  • Weight: 2.5 kg
Key Features
  • 70 kA short-circuit breaking capacity at 380/400/415 V AC
  • Thermal-magnetic overload and short-circuit protection
  • Four-pole configuration with protected neutral
  • 250 A frame accommodating a 125 A rated current
  • Suitable for fixed installation in low-voltage distribution systems
  • Can be installed vertically or horizontally
  • Suitable for main switchboard and distribution-board protection
  • Designed for AC low-voltage power distribution applications
Professional Installation Requirements
  • Installation, inspection and commissioning should be carried out by a licensed electrical contractor in accordance with AS/NZS 3000, the manufacturer's instructions and applicable switchboard assembly requirements.
Applications
  • Switchboard mains protection
  • Commercial and industrial low-voltage distribution boards
  • Main incoming protection for three-phase systems with neutral
  • Feeder and sub-main circuit protection
  • Industrial control panels and power distribution equipment
Standards & Compliance
  • Applicable product standard: AS/NZS IEC 60947.2:2015 for low-voltage circuit-breakers
  • Installation should comply with AS/NZS 3000:2018 Electrical installations
Environmental Benefits
  • Long mechanical and electrical service life can reduce replacement frequency and associated waste
  • Metallic conductive and structural components may be recoverable through appropriate electrical-equipment recycling streams
  • Overload and short-circuit protection helps limit equipment damage and premature replacement in electrical distribution systems
Warranty Information

CHINT warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels, subject to the applicable contract and warranty conditions.

Available Now

Available through authorised CHINT distributors in Australia.

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